intel/keembay/ocs-hcu.c

3  * Intel Keem Bay OCS HCU Crypto Driver.
16 #include "ocs-hcu.h"
88  * While polling on a busy HCU, wait maximum 200us between one check and the
92 /* Wait on a busy HCU for maximum 1 second. */
163  * ocs_hcu_wait_busy() - Wait for HCU OCS hardware to became usable.
164  * @hcu_dev:	OCS HCU device to wait for.
184 	/* Enable error and HCU done interrupts. */  in ocs_hcu_done_irq_en()
230  * @hcu_dev:	The target HCU device.
280  * @hcu_dev:	The target HCU device.
334  * ocs_hcu_hw_cfg() - Configure the HCU hardware.
335  * @hcu_dev:	The HCU device to configure.
336  * @algo:	The algorithm to be used by the HCU device.
372  * @hcu_dev:	The OCS HCU device whose key registers should be cleared.
385  * @hcu_dev:	The OCS HCU device the key should be written to.
410 	 * address of the HCU Key vector; in other word, the key must be  in ocs_hcu_write_key()
413 	 * Therefore, we first enable byte swapping for the HCU key vector;  in ocs_hcu_write_key()
434  * ocs_hcu_ll_dma_start() - Start OCS HCU hashing via DMA
435  * @hcu_dev:	The OCS HCU device to use.
455 	 * data has been processed by the HCU; however, we cannot do so for  in ocs_hcu_ll_dma_start()
461 	 * HCU, but the HCU may still be processing it. This is fine, since we  in ocs_hcu_ll_dma_start()
462 	 * will wait for the HCU processing to be completed when we try to read  in ocs_hcu_ll_dma_start()
542 			"Unexpected error: Invalid DMA address for OCS HCU\n");  in ocs_hcu_dma_list_add_tail()
601  * @hcu_dev:	The OCS HCU device to use.
602  * @ctx:	The OCS HCU hashing context.
636  * @hcu_dev:	The OCS HCU device to use.
637  * @ctx:	The OCS HCU hashing context.
674  * @hcu_dev:		The OCS HCU device to use.
675  * @ctx:		The OCS HCU hashing context.
700 	 * Enable HCU interrupts, so that HCU_DONE will be triggered once the  in ocs_hcu_hash_final()
717  * @hcu_dev:		The OCS HCU device to use.
767  * @hcu_dev:		The OCS HCU device to use.
814 	/* Read and clear the HCU interrupt. */  in ocs_hcu_irq_handler()
818 	/* Read and clear the HCU DMA interrupt. */  in ocs_hcu_irq_handler()